Article

[Xanthones from leaves of Calophyllum inophyllum Linn].

School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
Yao xue xue bao = Acta pharmaceutica Sinica 03/2009; 44(2):154-7. pp.154-7
Source: PubMed

ABSTRACT To study the xanthones from the leaves of Calophyllum inophyllum Linn., several chromatography methods were employed to isolate the constituents. Investigation on the CHCl3 extract led to the isolation of a new xanthone named inophyxanthone A (1) and four known compounds, which were pancixanthone A (2), gerontoxanthone B (3), jacareubin (4) and pyranojacareubin (5). Among them, compound 2 was obtained from this plant firstly, and compound 3 was obtained for the first time from this genus. The structure of inophyxanthone A (1) was identified as 1, 3, 5-trihydroxy-2-(1, 1-dimethylallyl)xanthone by spectral analysis.

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Keywords

1-dimethylallyl)xanthone
 
Calophyllum inophyllum Linn
 
chromatography methods
 
compound 2
 
compound 3
 
compounds
 
gerontoxanthone B
 
inophyxanthone
 
jacareubin
 
pyranojacareubin
 
spectral analysis
 
xanthones